Petersen coil

Pe·​ter·​sen coil | \ ˈpētə(r)sən- \

Definition of Petersen coil

: a ground-fault neutralizer for high-voltage power circuits

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History and Etymology for Petersen coil

probably after Waldemar Petersen, born 1880 German electrical engineer

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Cite this Entry

“Petersen coil.” The Dictionary, Merriam-Webster Inc., Accessed 9 December 2019.

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